v_left
if (vp->v_left && (vp1 = madrof(pat, vp->v_left)))
v = v->v_left;
v = v->v_left;
c->v_left = c->v_right = 0;
while ((vp = madrof(*v, head->v_left)) != NULL)
c = p->v_left;
else if (p->v_left == 0)
for (c = p->v_left; c->v_right; c = c->v_right)
c = p->v_left;
t = (p)->v_left,\
((p)->v_left = t->v_right) ? (t->v_right->v_parent = (p)) : 0,\
((p)->v_right = t->v_left) ? (t->v_left->v_parent = (p)) : 0,\
(t->v_left = (p))->v_parent = t,\
p->v_left->v_bal = 0;
p->v_left->v_bal = 1;
p->v_left->v_bal =
switch (p->v_left->v_bal) {
(void) rleft(p->v_left);
p->v_left->v_bal =
while (p->v_left)
p = p->v_left;
int v_left(SCR *, VICMD *);
{v_left, V_CNT|V_MOVE|VM_RCM_SET,
{v_left, V_CNT|V_MOVE|VM_RCM_SET,